Gin-san takes history lessons, and teaches you how to hide your porn mags?
Tsukuyo tries to teach Seita history, the subject he's not great at. However, her training (?) methods end up leaving him scarred, which makes desperate Seita ask Gin-san to take over as his tutor...
Are you sure we should be 
jumping to the Sengoku era?
هل يُفترض بنا القفز هكذا إلى حقبة سينغوكو؟
¿Estará bien que saltemos al periodo Sengoku?
Tem certeza de que é bom 
pular para o período Sengoku?